Samsung SM-L705N — Firmware L705NKOS3BZE1
Device: Samsung Samsung Galaxy Watch Ultra
Model Code: SM-L705N
Series: Galaxy L
Build Number: L705NKOS3BZE1
Region (CSC): KOO
Android Version: v16
Release Date: 2026-06-11 00:00
User Rating:
Downloads: 85
Important: This is an official Samsung Service ROM (4-file format). Use Odin to flash. Includes PIT partition. For repair/update purposes only.
Step-by-Step Flashing Instructions
- Preparation: Download this firmware file.
- Odin: Download Odin3 v3.14.4 or newer.
- Download Mode: Power off your Samsung Galaxy Watch Ultra. Hold Vol Up + Vol Down and connect USB.
- Load Files: Open the downloaded firmware. Select BL, AP, CP, CSC files in Odin.
- Flash: Click Start. Wait for "PASS!" message.